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Finding the Fourth Proportional to 15,967.63, 22,034.94 and 8,893.90

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Solution

The fourth proportional to 15,967.63, 22,034.94 and 8,893.90 is: 12,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.63 : 22,034.94 = 8,893.90 : x
  2. Step 2: Convert to fraction form
    15,967.63/22,034.94 = 8,893.90/x
  3. Step 3: Cross multiply
    15,967.63x = 22,034.94 × 8,893.90
  4. Step 4: Simplify right side
    15,967.63x = 195,976,547.06
  5. Step 5: Solve for x
    x = 195,976,547.06/15,967.63
  6. Step 6: Final answer
    x = 12,273.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.